Semester Final A2

What is the range of the function?

• -7≤x≤6

• -7<x<6

• -8<y<2

• -8≤y≤2

What is the Domain?

• -10 ≤ y ≤ 6
• y ≤ 6
• -10 ≤ x ≤ 6
• All Real Numbers

Find the axis of symmetry for
f(x) = x²- 8x + 15.

• x = -4
• x = 4
• y = 4
• y = -4

Find the y-intercept of  f(x) = -x² - 4x + 12.

• y-intercept is: -12

• y-intercept is: - 2

• y-intercept is: - 4

• y-intercept is: 12

• reflection in y-axis, vertical shrink by 1/3, horizontal translation right 4, vertical translation up 5

• reflection in x-axis, vertical shrink by 1/3, horizontal translation left 4, vertical translation up 5

• reflection in x-axis, vertical stretch by 1/3, horizontal translation left 4, vertical translation up 5

• reflection in x-axis, vertical shrink by 1/3, horizontal translation right 4, vertical translation up 5

Let f(x) = |x + 12| - 20

Find the graph t that is a translation 3 units down

• t(x) = |x + 12| - 23

• t(x) = |x - 12| - 17

• t(x) = 3|x + 12| - 20

• t(x) = |x + 9| - 20

• Axis of Symmetry

  x = - 3

  Vertex

  ( -3, 4)

• Axis of Symmetry

  x = 3

  Vertex

  ( 3, 4)

• Axis of Symmetry

  x = 7

  Vertex

  (7, 4)

• Axis of Symmetry

  x = 4

  Vertex

  (4, 3)

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum
• opens up with a minimum
• opens down with a maximum
• opens down with a minimum 

• Maximum value is -3

• Maximum value is 3

• Maximum value is 4

• Maximum value is 7

Which is a zero of the graph?

• 0
• -1
• 1.5
• -3